<?php
$use_symbols = "012345679"; 
$use_symbols_len=strlen($use_symbols);

$amplitude_min=10; 
$amplitude_max=20; 

$font_width=25; 

$rand_bsimb_min=3; 
$rand_bsimb_max=5;

$margin_left=10;
$margin_top=50;

$font_size=40; 

$jpeg_quality = 90; 
$back_count = 1; 
$length = 6; 
?>